When you try to cool down hot emotions, what tends to happen is that you end up either repressing them or losing them altogether. Neither is desirable. Without emotion, much social interaction loses its meaning, or changes for the worse.
Equity is a roguish thing. For Law we have a measure, know what to trust to; Equity is according to the conscience of him that is Chancellor, and as that is larger or narrower, so is Equity. 'T is all one as if they should make the standard for the measure we call a "foot" a Chancellor's foot; what an uncertain measure would this be! One Chancellor has a long foot, another a short foot, a third an indifferent foot. 'T is the same thing in the Chancellor's conscience.